Using -Oline -j 72 W=1 redirect to /tmp/tmp.ajagZAzlaC and /tmp/tmp.6HkznKGm0K
CC=ccache gcc
gcc (GCC) 15.1.1 20250521 (Red Hat 15.1.1-2)
Tree base:
01b9128c5db1 ("net: macb: fix unregister_netdev call order in macb_remove()")
Baseline building the tree
make[1]: Entering directory '/home/nipa/net/wt-0/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/dlink/dl2k.o
  CC [M]  drivers/net/ethernet/intel/i40e/i40e_txrx.o
  LD [M]  drivers/net/ethernet/intel/i40e/i40e.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1278)
  CC [M]  drivers/net/ethernet/dlink/dl2k.mod.o
  CC [M]  drivers/net/ethernet/intel/i40e/i40e.mod.o
  LD [M]  drivers/net/ethernet/dlink/dl2k.ko
  LD [M]  drivers/net/ethernet/intel/i40e/i40e.ko
Building the tree before the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/intel/i40e/i40e_txrx.o
  LD [M]  drivers/net/ethernet/intel/i40e/i40e.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1278)
  CC [M]  drivers/net/ethernet/intel/i40e/i40e.mod.o
  LD [M]  drivers/net/ethernet/intel/i40e/i40e.ko
Building the tree with the patch
make[1]: Entering directory '/home/nipa/net/wt-0/build_32bit'
  GEN     Makefile
#
# configuration written to .config
#
make[1]: Leaving directory '/home/nipa/net/wt-0/build_32bit'
  SYNC    include/config/auto.conf
  GEN     Makefile
  GEN     Makefile
  CALL    ../scripts/checksyscalls.sh
  CC [M]  drivers/net/ethernet/intel/i40e/i40e_txrx.o
  LD [M]  drivers/net/ethernet/intel/i40e/i40e.o
  MODPOST Module.symvers
Kernel: arch/x86/boot/bzImage is ready  (#1278)
  CC [M]  drivers/net/ethernet/intel/i40e/i40e.mod.o
  LD [M]  drivers/net/ethernet/intel/i40e/i40e.ko